SERVOSTAR-670
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The SERVOSTAR-670 is an electric servo control designed for various industrial applications requiring precise motor control and high reliability. It accepts a differential input voltage of ~10 V with a ground reference at terminal X3/7 and has an input resistance of 2.4 k1/2.
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Product Description:
The SERVOSTAR-670 is an electric servo control developed for diverse industrial applications which require precise control of an electric motor. In addition, the possibilities of the offered devices ensure their smooth operation and high reliability. It accepts a differential input voltage of ~ 10 V relative to the ground at the terminal X3/7 and has an input resistance of 2.4 k1/2. Operation is maintained as long as the common mode voltage level is ~ 10 V and has an impressive update rate of 62.5 us, hence control is relatively accurate and responsive.
Thermal protection of the servo-amplifier and the servo motor loaded with drives is done with PTC (positive temperature coefficient) which extends into the motor windings. The embedded thermal devices implement a thermal cut-off for the parameters of the amplifier and motor preventing working temperatures from exceeding safe values. Another notable feature of this amplifier is Tn, I-integration time is included in the control loop making it easy to fine-tune the performance of the motor in question. This feature makes the SSI-interface very useful in applications where precision in motion or positioning techniques is needed since it provides serially cyclically absolute position outputs.
Constant operation of a motor is achieved by the fact that the setpoint ramps feature limits the acceleration rate to a particular speed setpoint in order to avoid any steeper accelerations or deceleration that could bring some level of instability in the system. The capacity of the amplifier also includes the use of passive conduction which makes use of circulating air without the use of an internal fan to cool temperatures. With no movement of the fan, the internal temperature does not exceed 55 degrees C while the heat sink temperature does not exceed 60 degrees C.
Frequently Asked Questions about SERVOSTAR-670:
Q: What are the input voltage specifications and control accuracy of the SERVOSTAR 670?
A: The amplifier accepts a differential input voltage of ~10V relative to ground at terminal X3/7, with an input resistance of 2.4 k1/2. It operates with a common mode voltage level of ~10V and features an update rate of 62.5 us, ensuring accurate and responsive control.
Q: How does the SERVOSTAR 670 manage thermal protection?
A: The amplifier uses PTC (Positive Temperature Coefficient) devices embedded in the motor windings for thermal protection. These devices prevent the amplifier and motor from exceeding safe operating temperatures by implementing a thermal cut-off.
Q: What role does the setpoint ramps feature play in motor operation?
A: The setpoint ramps feature limits the acceleration and deceleration rates, ensuring smooth transitions and avoiding instability in the motor's operation.
Q: How does the SERVOSTAR 670 handle cooling without an internal fan?
A: The amplifier uses passive conduction cooling, relying on circulating air without an internal fan. This keeps the internal temperature below 55C and the heat sink temperature below 60C.
Q: What is the purpose of the SSI-interface in the SERVOSTAR 670?
A: The SSI-interface provides serially cyclically absolute position outputs, making it ideal for applications requiring precision in motion control and positioning.